Clinical Research Directory

Localization and Mismatch Negativity

Sponsor: University Hospital, Toulouse

Summary

This descriptive and observational research project aims to characterize MMN as a neuronal marker of localization deficit in single-sided deafened subjects and subjects with bilateral profound deafness treated by a cochlear implant (CI). It includes several electro-physiological and psychoacoustic assessments performed on subjects with single-sided deafness and cochlear implanted subjects, with normal-hearing subjects as control: * Evaluation of the characteristics of the MMN involved in sound localization by EEG. * Evaluation of the spatial localization abilities for a sound source presented in the open field. * Assessment of performance for speech recognition in noise. These evaluations are performed in subjects with symmetrical hearing, in a natural binaural condition and a monaural condition (with a plugged ear), in subjects with single-sided deafness and in subjects with unilateral CI

Official title: Localization and Mismatch Negativity in Subjects With Single-sided Deafness Ads Subjects With Unilateral Cochlear Implant

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